1. Xtreme Motorsports tacks sales made throughout the day. Let X be the number of motorcycles sold during the first hour of business on a randomly selected day. The probability distribution of X is as follows. 0 1 2 3 4 Motorcycles sold X: Probability P(X): 0.35 0.3 b 0.05 0.05 a) Find the value of b (1 pt) b) Find the mean of the distribution and interpret in context (3 pts) c) Find the standard deviation of the distribution and interpret in context (3 pts) d) What is the probability that Xtreme Motorsports sells more than 1 motorcycle in the first hour of business? (2 pts) ​

Rewrite the following sentences in active voice. caution: one sentence (only one) is written in active voice. do not rewrite it just label it as being active. 1). the use of copernicus's theory was forbidden by religious leaders until 1757. 2). i am puzzled by your question. 3). the girl is frightened by horror movies; she only watches chick-flicks. 4). radium and polonium were discovered by marie curie. 5. most of the town was destroyed by a tornado. 6). these flowers were planted by the 4-h club. 7). the little boy showed his mother the bruises, cuts. and bumps on his shin. 8). pluto was discovered by clyde william tombaugh in 1930 in flagstaff, arizona. 9). the painting was purchased by mr. jones. 10). the song was performed many times by kate smith. 11). england was ruled by a woman nicknamed "bloody mary" from 1553-1558. 12). the law of universal gravitation was discovered by sir isaac newton.

I’m so stuck on this question i’ll give anybody brainliest and free points for the correct give the most space to a. the largest vehicle b. the fastest road user c. a potential drunk driver d. the biggest hazard

William poole believes economics should be taught in schools because students will learn